Find Cheap Flights from Chicago O'Hare International to London Airport (ORD - YXU)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Chicago O'Hare International to London Airport

(Round-trip)
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
Air Canada
Air Canada
ORD
5:30a
YXU
11:42a
6h 12m
1 stop
YXU
2:15a
ORD
5:54a
3h 39m
1 stop
Depart: Wed Nov 15 2017 Return: Wed Dec 6 2017 Trip spans 22 days
Air Canada
Air Canada
ORD
5:00a
YXU
9:02a
4h 02m
1 stop
YXU
10:35a
ORD
3:07p
4h 32m
1 stop
Depart: Mon Aug 21 2017 Return: Wed Aug 23 2017 Trip spans 3 days
Delta
Delta
ORD
8:25a
YXU
6:08p
9h 43m
2 stops
YXU
11:05a
ORD
8:30p
9h 25m
2 stops
Depart: Tue Sep 19 2017 Return: Wed Sep 20 2017 Trip spans 2 days
Air Canada
Air Canada
ORD
3:30p
YXU
7:11p
3h 41m
1 stop
YXU
7:50a
ORD
1:59p
6h 09m
1 stop
Depart: Thu Dec 28 2017 Return: Sat Jan 6 2018 Trip spans 10 days
Air Canada
Air Canada
ORD
6:30a
YXU
11:13a
4h 43m
1 stop
YXU
10:35a
ORD
3:07p
4h 32m
1 stop
Depart: Fri Aug 25 2017 Return: Sun Aug 27 2017 Trip spans 3 days
Air Canada
Air Canada
ORD
4:05a
YXU
9:56a
5h 51m
1 stop
YXU
2:15a
ORD
8:32a
6h 17m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Chicago
$355
Destination

London
$355